News
- Earth
Solar wind pushes atmospheric breathing
New analyses of satellite data show that cycles of expansion and contraction are tied to changes in the solar wind.
- Health & Medicine
Dual therapy best for nasty prostate cancer
Dual therapy that adds radiation to medication for aggressive prostate cancer yields better survival and fewer signs of relapse than drugs alone, a large Scandinavian clinical trial finds.
- Space
Dark energy constantly with us
New X-ray and visible-light observations of the growth of galaxy groups and clusters are offering confirming evidence for the existence of dark energy and suggest that it may resemble the cosmological constant.
- Health & Medicine
Potentially potent chemo target in sight
A fruit fly protein that helps control cell differentiation may be a powerful target for stopping human cancers.
- Health & Medicine
Breast cancer costs poor people more
Out-of-pocket costs of breast cancer hit poor individuals the hardest.
- Health & Medicine
Soy compound revs up cancer fighter in healthy tissue
A lab study of healthy breast tissue cells shows increases in the tumor suppressor protein PTEN in the presence of soy isoflavone genistein, a compound believed to fight breast cancer.
- Health & Medicine
Breast density signals tamoxifen’s effectiveness
Decreasing breast density signals the drug tamoxifen is working in women at risk of developing breast cancer.
- Life
Hawaii’s honeyeater birds tricked taxonomists
DNA from old museum specimens reveals evolutionary look-alikes.
- Archaeology
Tools with handles even more ancient
An analysis of stone tools excavated at a Syrian site indicates that, around 70,000 years ago, Neandertals used a tarlike adhesive to affix sharpened items to handles.
- Health & Medicine
Stronger role for a breast cancer drug
Going beyond its original role as an add-on for chemotherapy, the breast cancer drug lapatinib, when taken with another kind of frontline drug, may find use for patients with the HER2-positive form of the cancer.
- Life
Study raises worries for zoo-born elephants
Study of captive-born females finds big survival gap between zoo natives and elephants in native ranges.
- Health & Medicine
Gene could drive species separation
Newly identified fruit fly gene provides evidence for “cheating genes” that may cause species schisms
